2014-04-18_HYDROLOGY - C1996083 ‎(2)‎

• Permit No: C1996083
• IBM Index Class Name: Hydrology
• Doc Date: 4/18/2014
• Doc Name: 1st Quarter 2014 Impoundment Yearly Report
• From: J.E. Stover & Associates
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Email Name: SLB
• Email Name: SB1
• Media Type: D
• Archive: No

Pond Identification
Type of Pond
Status During Inspection:
Approximate Water Level
Sediment (% remaining)
Outflow (cfs)
Features
Erosional
Rills & Gulleys
Inadequate Vegetation
Outlet Channel Erosion
Burrows
uctural
Differential Settling
Cracks or Slides
Seepage
purtenant Structures
Defective Spillways
Dewatering Devices Clogged
Faulty Gates, Etc.
Other
itional Comments
Maintenance Required:
Name of Inspector: Jim Stover
QUARTERLY POND INSPECTION REPORT
Bowie Resources LLC
Bowie No. 2 Mine - C -1996 -083
Quarter: First 2014
Inspection Date: 31- Mar 14
B
C
D - Gob Pile
F - New Gob
J UTL East
K LITL West
Sediment
Sediment
Sediment
Sediment
Sediment
Sediment 1
5946
5993
5974.5
5946
5847
Dam
50%
90%
70%
40%
40%
80%
0
0
0
0
0
0
No
No
'roblem
Problem
Problem
Problem
Problem
Problem
Yes/No
Yes/No
Yes/No
Yes/No
Yes/No
Yes/No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No No No No No No
No No No No No No
No No No No No No
No No No No No No
Design depth measured from pond bottom to invert of emergency spillway:
Pond 8 =10, C =10, D =6.5, J =10, K =3, F =10' TD
Pond Bottom Elevations B =5942, C =5990, D =5970, J =5846, F =5944, K =5819
All ponds are snow and ice covered.
Pond B has a water level 6 feet below the level of the emergency spillway.
Pond C has a water level about one foot above at the level of the primary spillway.
Pond D water level is slightly above the primary spillway. Primary Spillway is at elevation 5973.5
Pond J water /mud level was about one foot deep
Pond K was damp. ,
Pond F water level was about 8 feet below the level of the emergency spillwapLN) b . L 3 4b
The GVB15A -B mud pits were inspected by mine personnel with no prob °p"OO f
©' �� 4r0s
Remove sediment for Pond B. * ° it
+� °oacoo ;
Co "' R A ate